Earth-auger.



C. M. FINLEY.

EARTH AUGER. APPLICATION FILED NOV-27. 1915.

Patented Mar. 28, 1916.

C M FINLEY STAWNT CHARLES M. IINLEY, OF BERWICK, ILLINOIS.

EARTH-AUGER.

To all whom it may concern Be it known that I, CHARLES M. FINLEY, a citizen of the United States, residing at Berwick, in the county of Warren and State of Illinois, have invented certain new and useful Improvements in Earth-Augers, of which the following is a specification, reference being had to the accompanying drawwas.

This invention relates to certainimprovements in earth augers, and it is; an object of the invention to provide a device of this general character of a noveland improved construction whereby it may be employed with convenience and facility and whereby a hole, preferably for a post, may be produced within a minimum of time.

The invention consists in the details of construction and in the combination and arrangement of the several parts of my improved earth auger whereby certain important advantages are attained and the device is rendered simpler, lessexpensive and otherwise more convenient and advantageous for use, all as will be hereinafter more fully set forth.

The novel features of the invention will be carefully defined in the appended claims.

In order that my invention may be the better understood, I will now proceed to describe the same with reference to the accompanying drawings, wherein- Figure 1 is a view in elevation of an earth auger constructed in accordance with an embodiment of my invention; Fig. 2 is a view in bottom plan, on an enlarged scale, of the device as disclosed in Fig. 1; Fig. 3 is a sectional view taken substantially on the line 3-3 of Fig. 1, the cylindrical body comprised in the invention being shown in fragment; Fig. 4 is a fragmentary view, partly in elevation and partly in section, illustrating a certain detail of the invention as herein set forth; and Fig. 5 is a fragmentary sectional view illustrating a further detail of the invention as herein included.

As disclosed in the accompanying drawings, 1 denotes a cylindrical tubular body of predetermined dimensions and having its upper end spanned by the rigid bail 2- with which the handle member 3 is operatively engaged, said handle member including the cross bar 4 in order to permit axial rotation being imparted to the device with convenience and facility.

Engaged with the lower or opposite end Specification of Letters Patent. Patented Ma 28 1916 Application filed November 27, 1915. Serial No. 63,825.

directed slots 9 arranged in radial alinement, said slots terminating at the engaglng flange 6. Portions of the body 10 of the cutter head at opposite sides of the slot 9 are fiat for a predetermined distance, as at 11, and are then gradually depressed, as at 12, both circumferentially and radially to afford entrance openings 14 for the earth as loosened, it being understood that said loose earth upon axial rotation of the body 1 enters within the body 1 so that the same may be readily elevated. It is to be noted that the sectors afforded by the depressed portion 12, are in excess of 90. The vertical walls 15 afforded by the depressed portions 12 are bowed or curved outwardly in cross section in order to facilitate the cutting operation and I find it of particular advantage to provide the free margins of the depressed portions 12 with the cutter blades 16 and the free edges of the vertical walls 15 with the cutter blades 17 which preferably are removable inorder that the same may be replaced as the requirements of practice may necessitate.

From the foregoing description, it is thought to be obvious that an earth auger constructed in accordance with my invention is of an extremely simple and comparativelyinexpensive nature and is particularly well adapted for use by reason of the convenience and facility with which it may be assembled. and it will also be obvious that.

my invention is susceptible of some change and modification without material departure from the principles and spirit thereof and for this reason I do not wish to be understood as limiting myself to the precise arrangement and formation of the several parts herein shown in carrying out my invention in practice.

I claim:

1., An earth auger comprising a cylindrical tubular member provided with operating means, and a cutter head overlying the lower end of said body, said cutter head having substantially radially alined slots,

said head being also provided with diametrically opposed sectors gradually depressed radially from the center and circumferentially toward the slots, an edge or each oi the slots constituting a radius for the ating means, and a cutter head o erlying the lower end of said body, said cutter head having substantially radially alined slots, said head being also provided with diametrically opposed sectors gradually depressed. radiallyfrom the center and circumferentially toward the slots, an edge of each of the slots'constituting a radius for the adjacent-sector, said head being provided with an opening at its axial center with which the slots communicate.

Copies of this patent may be vobtained for five cents each, by addressing the Commissioner-of Patents; v

3. An earth auger comprising ajcylixidrli-i -cal tubular member provided W1th operat ing means; and a cutter head overlying the lowerend of said body,. saidrcutter head having substantially radially alined slots,

said head being also provided with diamet-v rically opposed sectors gradually depressed radially from the center and circumferem tially toward the slots, an edge of each of the slots constituting a radius for the adjacent sector, the vertical walls afforded by =the de pressed sectors of the head beingbowedoutwardly in cross section.

In testimony whereof I hereunto afii'x my signature in the P ce 015 two Witnesses? CI-IARL ES MJ Witnesses:

Bonn B. FINLEY; HARRY-W. CARR.

Washington, I). 0.! 

